What is TraceView?
TraceView is a performance profiling tool specifically for Android applications. It allows developers to trace method calls and measure execution times to understand where an app may be spending too much time or encountering bottlenecks.
Some key features of TraceView include:
- Method tracing to see which methods are called and how long each takes to execute
- Flame graphs to visually identify hot code paths
- Call charts to understand relationships between methods
- Ability to profile UI performance to pinpoint sluggish UI rendering
- CPU usage data
- SQLite query analysis
- Integrated with DDMS for collecting trace data from emulator or device
By using TraceView to profile an Android app, developers can gain insight into where optimization efforts should be focused to improve performance and responsiveness. It integrates with the Android debugging pipeline to make collection tracing data easy. The visualization and reporting features allow quick analysis to find and address bottlenecks.